Oval|Lab Grown|IGI

1.50ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG818619378

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818619378

Diamond specifications and retailer prices

From £235 GBP
$313 USD
As of October 29, 2026
Save £1,950 GBP (89%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: £2,185 GBP at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG818619378 or 818619378. Listed at 25 retailers as of October 28, 2026, with prices from £235 to £2,185, a £1,950 spread on the same certified stone. Brilliant Earth lists it at £2,185. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.50
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818619378
Dimensions9.60 × 6.39 × 3.85 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.60 mm6.39 mm1.50 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818619378
Side View
Table 59.0%Crown 36.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: £2,185 GBP|Low: £226 GBP|High: £2,185 GBP|Avg: £719 GBP
Brilliant Earth
Retailer 2
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Retailer 22
October 30, 2026
Retailer 3£235 GBP
Retailer 11£263 GBP
Retailer 5£273 GBP
Retailer 4£291 GBP
Retailer 7£292 GBP
Retailer 2£301 GBP
Retailer 19£409 GBP
Retailer 10£475 GBP
Retailer 18£501 GBP
Retailer 13£520 GBP
Retailer 16£560 GBP
Retailer 21£572 GBP
Retailer 17£680 GBP
Retailer 9£758 GBP
Retailer 22£855 GBP
Retailer 8£938 GBP
Retailer 6£972 GBP
Retailer 14£1,121 GBP
Retailer 15£1,133 GBP
Retailer 12£1,168 GBP
Retailer 20£1,171 GBP
Brilliant Earth£2,185 GBP

30 data points across 22 retailers

25 retailers£235 GBP to £2,185 GBP

A
Cheapest Retailer
-
£235 GBP
$313 USD
A
Retailer 2
-
£263 GBP
$350 USD
View
Final sale: no returns
A
Retailer 3
-
£273 GBP
$363 USD
View
A
Retailer 4
-
£291 GBP
$388 USD
View
A
Retailer 5
-
£292 GBP
$389 USD
View
A
Retailer 6
-
£301 GBP
View
A
Retailer 7
-
£409 GBP
$545 USD
View
A
Retailer 8
-
£475 GBP
$633 USD
View
A
Retailer 9
-
£501 GBP
ZAR 10,784 ZAR
View
A
Retailer 10
-
£520 GBP
View
A
Retailer 11
-
£560 GBP
A$1,148 AUD
View
A
Retailer 12
-
£680 GBP
A$1,393 AUD
View
B+
Retailer 13
-
£758 GBP
$1,010 USD
View
Retailer 14
-
£783 GBP
$1,043 USD
View
Price last confirmed 16 days ago
Retailer 15
-
£853 GBP
A$1,748 AUD
View
Price last confirmed 76 days ago
B+
Retailer 16
-
£855 GBP
$1,139 USD
View
B+
Retailer 17
-
£938 GBP
$1,249 USD
View
B+
Retailer 18
-
£972 GBP
$1,295 USD
View
B+
Retailer 19
-
£1,092 GBP
SGD 1,965 SGD
View
B+
Retailer 20
-
£1,121 GBP
$1,493 USD
View
B
Retailer 21
-
£1,133 GBP
View
B
Retailer 22
-
£1,168 GBP
$1,555 USD
View
B+
Retailer 23
-
£1,171 GBP
View
Retailer 24
-
£1,586 GBP
$2,112 USD
View
Price last confirmed 60 days ago
Most Expensive
B
Brilliant Earth
20968929A · Oct 28
£2,185 GBP
$2,910 USD
View
24 more retailers have this diamond
Prices start from £235 GBPSave up to £1,950 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Oval
£235 GBP